;(function($) {
    $.fn.ajaxSubmit = function(options) {
        if (!this.length) {
            log('ajaxSubmit: skipping submit process - no element selected');
            return this
        };
        var method, action, url, $form = this;
        if ( typeof options == 'function') {
            options = {
                success : options
            }
        };
        method = this.attr('method');
        action = this.attr('action');
        url = ( typeof action === 'string') ? $.trim(action) : '';
        url = url || window.location.href || '';
        if (url) {
            url = (url.match(/^([^#]+)/)||[])[1]
        };
        options = $.extend(true, {
            url : url,
            success : $.ajaxSettings.success,
            type : method || 'GET',
            iframeSrc : /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank'
        }, options);
        var veto = {};
        this.trigger('form-pre-serialize', [this, options, veto]);
        if (veto.veto) {
            log('ajaxSubmit: submit vetoed via form-pre-serialize trigger');
            return this
        };
        if (options.beforeSerialize && options.beforeSerialize(this, options) === false) {
            log('ajaxSubmit: submit aborted via beforeSerialize callback');
            return this
        };
        var traditional = options.traditional;
        if (traditional === undefined) {
            traditional = $.ajaxSettings.traditional
        };
        var qx, n, v, a = this.formToArray(options.semantic);
        if (options.data) {
            options.extraData = options.data;
            qx = $.param(options.data, traditional)
        };
        if (options.beforeSubmit && options.beforeSubmit(a, this, options) === false) {
            log('ajaxSubmit: submit aborted via beforeSubmit callback');
            return this
        };
        this.trigger('form-submit-validate', [a, this, options, veto]);
        if (veto.veto) {
            log('ajaxSubmit: submit vetoed via form-submit-validate trigger');
            return this
        };
        var q = $.param(a, traditional);
        if (qx) {
            q = ( q ? (q + '&' + qx) : qx)
        };
        if (options.type.toUpperCase() == 'GET') {
            options.url += (options.url.indexOf('?') >= 0 ? '&' : '?') + q;
            options.data = null;
        } else {
            options.data = q;
        };
        var callbacks = [];
        if (options.resetForm) {
            callbacks.push(function() {
                $form.resetForm()
            })
        };
        if (options.clearForm) {
            callbacks.push(function() {
                $form.clearForm(options.includeHidden)
            })
        };
        if (!options.dataType && options.target) {
            var oldSuccess = options.success ||
            function() {
            };
            callbacks.push(function(data) {
                var fn = options.replaceTarget ? 'replaceWith' : 'html';
                $(options.target)[fn](data).each(oldSuccess, arguments)
            })
        } else if (options.success) {
            callbacks.push(options.success)
        }
        ;
        options.success = function(data, status, xhr) {
            var context = options.context || options;
            for (var i = 0, max = callbacks.length; i < max; i++) {
                callbacks[i].apply(context, [data, status, xhr || $form, $form])
            }
        };
        var fileInputs = $('input:file:enabled[value]', this);
        var hasFileInputs = fileInputs.length > 0;
        var mp = 'multipart/form-data';
        var multipart = ($form.attr('enctype') == mp || $form.attr('encoding') == mp);
        var fileAPI = !!(hasFileInputs && fileInputs.get(0).files && window.FormData);
        log("fileAPI :" + fileAPI);
        var shouldUseFrame = (hasFileInputs || multipart) && !fileAPI;
        if (options.iframe !== false && (options.iframe || shouldUseFrame)) {
            if (options.closeKeepAlive) {
                $.get(options.closeKeepAlive, function() {
                    fileUploadIframe(a)
                })
            } else {
                fileUploadIframe(a)
            }
        } else if ((hasFileInputs || multipart) && fileAPI) {
            options.progress = options.progress || $.noop;
            fileUploadXhr(a)
        } else {
            $.ajax(options)
        }
        ;
        this.trigger('form-submit-notify', [this, options]);
        return this;
        function fileUploadXhr(a) {
            var formdata = new FormData();
            for (var i = 0; i < a.length; i++) {
                if (a[i].type == 'file')
                    continue;
                formdata.append(a[i].name, a[i].value)
            };
            $form.find('input:file:enabled').each(function() {
                var name = $(this).attr('name'), files = this.files;
                if (name) {
                    for (var i = 0; i < files.length; i++)
                        formdata.append(name, files[i])
                }
            });
            if (options.extraData) {
                for (var k in options.extraData)
                formdata.append(k, options.extraData[k])
            };
            options.data = null;
            var s = $.extend(true, {}, $.ajaxSettings, options, {
                contentType : false,
                processData : false,
                cache : false,
                type : 'POST'
            });
            s.data = null;
            var beforeSend = s.beforeSend;
            s.beforeSend = function(xhr, o) {
                o.data = formdata;
                if (xhr.upload) {
                    xhr.upload.onprogress = function(event) {
                        o.progress(event.position, event.total)
                    }
                };
                if (beforeSend)
                    beforeSend.call(o, xhr, options)
            };
            $.ajax(s)
        };
        function fileUploadIframe(a) {
            var form = $form[0], el, i, s, g, id, $io, io, xhr, sub, n, timedOut, timeoutHandle;
            var useProp = !!$.fn.prop;
            if (a) {
                if (useProp) {
                    for ( i = 0; i < a.length; i++) {
                        el = $(form[a[i].name]);
                        el.prop('disabled', false)
                    }
                } else {
                    for ( i = 0; i < a.length; i++) {
                        el = $(form[a[i].name]);
                        el.removeAttr('disabled')
                    }
                }
            };
            if ($(':input[name=submit],:input[id=submit]', form).length) {
                alert('Error: Form elements must not have name or id of "submit".');
                return
            };
            s = $.extend(true, {}, $.ajaxSettings, options);
            s.context = s.context || s;
            id = 'jqFormIO' + (new Date().getTime());
            if (s.iframeTarget) {
                $io = $(s.iframeTarget);
                n = $io.attr('name');
                if (n == null)
                    $io.attr('name', id);
                else
                    id = n
            } else {
                $io = $('<iframe name="' + id + '" src="' + s.iframeSrc + '" />');
                $io.css({
                    position : 'absolute',
                    top : '-1000px',
                    left : '-1000px'
                })
            };
            io = $io[0];
            xhr = {
                aborted : 0,
                responseText : null,
                responseXML : null,
                status : 0,
                statusText : 'n/a',
                getAllResponseHeaders : function() {
                },
                getResponseHeader : function() {
                },
                setRequestHeader : function() {
                },
                abort : function(status) {
                    var e = (status === 'timeout' ? 'timeout' : 'aborted');
                    log('aborting upload... ' + e);
                    this.aborted = 1;
                    $io.attr('src', s.iframeSrc);
                    xhr.error = e;
                    s.error && s.error.call(s.context, xhr, e, status);
                    g && $.event.trigger("ajaxError", [xhr, s, e]);
                    s.complete && s.complete.call(s.context, xhr, e)
                }
            };
            g = s.global;
            if (g && !$.active++) {
                $.event.trigger("ajaxStart")
            };
            if (g) {
                $.event.trigger("ajaxSend", [xhr, s])
            };
            if (s.beforeSend && s.beforeSend.call(s.context, xhr, s) === false) {
                if (s.global) {
                    $.active--
                };
                return
            };
            if (xhr.aborted) {
                return
            };
            sub = form.clk;
            if (sub) {
                n = sub.name;
                if (n && !sub.disabled) {
                    s.extraData = s.extraData || {};
                    s.extraData[n] = sub.value;
                    if (sub.type == "image") {
                        s.extraData[n + '.x'] = form.clk_x;
                        s.extraData[n + '.y'] = form.clk_y
                    }
                }
            };
            var CLIENT_TIMEOUT_ABORT = 1;
            var SERVER_ABORT = 2;
            function getDoc(frame) {
                var doc = frame.contentWindow ? frame.contentWindow.document : frame.contentDocument ? frame.contentDocument : frame.document;
                return doc
            };
            var csrf_token = $('meta[name=csrf-token]').attr('content');
            var csrf_param = $('meta[name=csrf-param]').attr('content');
            if (csrf_param && csrf_token) {
                s.extraData = s.extraData || {};
                s.extraData[csrf_param] = csrf_token
            };
            function doSubmit() {
                var t = $form.attr('target'), a = $form.attr('action');
                form.setAttribute('target', id);
                if (!method) {
                    form.setAttribute('method', 'POST')
                };
                if (a != s.url) {
                    form.setAttribute('action', s.url)
                };
                if (!s.skipEncodingOverride && (!method || /post/i.test(method))) {
                    $form.attr({
                        encoding : 'multipart/form-data',
                        enctype : 'multipart/form-data'
                    })
                };
                if (s.timeout) {
                    timeoutHandle = setTimeout(function() {
                        timedOut = true;
                        cb(CLIENT_TIMEOUT_ABORT)
                    }, s.timeout)
                };
                function checkState() {
                    try {
                        var state = getDoc(io).readyState;
                        log('state = ' + state);
                        if (state.toLowerCase() == 'uninitialized')
                            setTimeout(checkState, 50)
                    } catch(e) {
                        log('Server abort: ', e, ' (', e.name, ')');
                        cb(SERVER_ABORT);
                        timeoutHandle && clearTimeout(timeoutHandle);
                        timeoutHandle = undefined
                    }
                };
                var extraInputs = [];
                try {
                    if (s.extraData) {
                        for (var n in s.extraData) {
                            extraInputs.push($('<input type="hidden" name="'+n+'">').attr('value',s.extraData[n]).appendTo(form)[0])
                        }
                    };
                    if (!s.iframeTarget) {
                        $io.appendTo('body');
                        io.attachEvent ? io.attachEvent('onload', cb) : io.addEventListener('load', cb, false)
                    };
                    setTimeout(checkState, 15);
                    form.submit()
                } finally {
                    form.setAttribute('action', a);
                    if (t) {
                        form.setAttribute('target', t)
                    } else {
                        $form.removeAttr('target')
                    };
                    $(extraInputs).remove()
                }
            };
            if (s.forceSync) {
                doSubmit()
            } else {
                setTimeout(doSubmit, 10);
            };
            var data, doc, domCheckCount = 50, callbackProcessed;
            function cb(e) {
                if (xhr.aborted || callbackProcessed) {
                    return
                };
                try {
                    doc = getDoc(io)
                } catch(ex) {
                    log('cannot access response document: ', ex);
                    e = SERVER_ABORT
                };
                if (e === CLIENT_TIMEOUT_ABORT && xhr) {
                    xhr.abort('timeout');
                    return
                } else if (e == SERVER_ABORT && xhr) {
                    xhr.abort('server abort');
                    return
                }
                ;
                if (!doc || doc.location.href == s.iframeSrc) {
                    if (!timedOut)
                        return
                };
                io.detachEvent ? io.detachEvent('onload', cb) : io.removeEventListener('load', cb, false);
                var status = 'success', errMsg;
                try {
                    if (timedOut) {
                        throw 'timeout'
                    };
                    var isXml = s.dataType == 'xml' || doc.XMLDocument || $.isXMLDoc(doc);
                    log('isXml=' + isXml);
                    if (!isXml && window.opera && (doc.body == null || doc.body.innerHTML == '')) {
                        if (--domCheckCount) {
                            log('requeing onLoad callback, DOM not available');
                            setTimeout(cb, 250);
                            return
                        }
                    };
                    var docRoot = doc.body ? doc.body : doc.documentElement;
                    xhr.responseText = docRoot ? docRoot.innerHTML : null;
                    xhr.responseXML = doc.XMLDocument ? doc.XMLDocument : doc;
                    if (isXml)
                        s.dataType = 'xml';
                    xhr.getResponseHeader = function(header) {
                        var headers = {
                            'content-type' : s.dataType
                        };
                        return headers[header]
                    };
                    if (docRoot) {
                        xhr.status = Number(docRoot.getAttribute('status')) || xhr.status;
                        xhr.statusText = docRoot.getAttribute('statusText') || xhr.statusText
                    };
                    var dt = (s.dataType || '').toLowerCase();
                    var scr = /(json|script|text)/.test(dt);
                    if (scr || s.textarea) {
                        var ta = doc.getElementsByTagName('textarea')[0];
                        if (ta) {
                            xhr.responseText = ta.value;
                            xhr.status = Number(ta.getAttribute('status')) || xhr.status;
                            xhr.statusText = ta.getAttribute('statusText') || xhr.statusText
                        } else if (scr) {
                            var pre = doc.getElementsByTagName('pre')[0];
                            var b = doc.getElementsByTagName('body')[0];
                            if (pre) {
                                xhr.responseText = pre.textContent ? pre.textContent : pre.innerText
                            } else if (b) {
                                xhr.responseText = b.textContent ? b.textContent : b.innerText
                            }
                        }
                    } else if (dt == 'xml' && !xhr.responseXML && xhr.responseText != null) {
                        xhr.responseXML = toXml(xhr.responseText)
                    }
                    ;
                    try {
                        data = httpData(xhr, dt, s)
                    } catch(e) {
                        status = 'parsererror';
                        xhr.error = errMsg = (e || status)
                    }
                } catch(e) {
                    log('error caught: ', e);
                    status = 'error';
                    xhr.error = errMsg = (e || status)
                };
                if (xhr.aborted) {
                    log('upload aborted');
                    status = null
                };
                if (xhr.status) {
                    status = (xhr.status >= 200 && xhr.status < 300 || xhr.status === 304) ? 'success' : 'error'
                };
                if (status === 'success') {
                    s.success && s.success.call(s.context, data, 'success', xhr);
                    g && $.event.trigger("ajaxSuccess", [xhr, s])
                } else if (status) {
                    if (errMsg == undefined)
                        errMsg = xhr.statusText;
                    s.error && s.error.call(s.context, xhr, status, errMsg);
                    g && $.event.trigger("ajaxError", [xhr, s, errMsg])
                }
                ;
                g && $.event.trigger("ajaxComplete", [xhr, s]);
                if (g && !--$.active) {
                    $.event.trigger("ajaxStop")
                };
                s.complete && s.complete.call(s.context, xhr, status);
                callbackProcessed = true;
                if (s.timeout)
                    clearTimeout(timeoutHandle);
                setTimeout(function() {
                    if (!s.iframeTarget)
                        $io.remove();
                    xhr.responseXML = null
                }, 100)
            };
            var toXml = $.parseXML ||
            function(s, doc) {
                if (window.ActiveXObject) {
                    doc = new ActiveXObject('Microsoft.XMLDOM');
                    doc.async = 'false';
                    doc.loadXML(s)
                } else {
                    doc = (new DOMParser()).parseFromString(s, 'text/xml')
                };
                return (doc && doc.documentElement && doc.documentElement.nodeName != 'parsererror') ? doc : null
            };
            var parseJSON = $.parseJSON ||
            function(s) {
                return window['eval']('(' + s + ')')
            };
            var httpData = function(xhr, type, s) {
                var ct = xhr.getResponseHeader('content-type') || '', xml = type === 'xml' || !type && ct.indexOf('xml') >= 0, data = xml ? xhr.responseXML : xhr.responseText;
                if (xml && data.documentElement.nodeName === 'parsererror') {
                    $.error && $.error('parsererror')
                };
                if (s && s.dataFilter) {
                    data = s.dataFilter(data, type)
                };
                if ( typeof data === 'string') {
                    if (type === 'json' || !type && ct.indexOf('json') >= 0) {
                        data = parseJSON(data)
                    } else if (type === "script" || !type && ct.indexOf("javascript") >= 0) {
                        $.globalEval(data)
                    }
                };
                return data
            }
        }

    };
    $.fn.ajaxForm = function(options) {
        options = options || {};
        options.delegation = options.delegation && $.isFunction($.fn.on);
        if (!options.delegation && this.length === 0) {
            var o = {
                s : this.selector,
                c : this.context
            };
            if (!$.isReady && o.s) {
                log('DOM not ready, queuing ajaxForm');
                $(function() {
                    $(o.s, o.c).ajaxForm(options)
                });
                return this
            };
            log('terminating; zero elements found by selector' + ($.isReady ? '' : ' (DOM not ready)'));
            return this
        };
        if (options.delegation) {
            $(document).off('submit.form-plugin', this.selector, doAjaxSubmit).off('click.form-plugin', this.selector, captureSubmittingElement).on('submit.form-plugin', this.selector, options, doAjaxSubmit).on('click.form-plugin', this.selector, options, captureSubmittingElement);
            return this
        };
        return this.ajaxFormUnbind().bind('submit.form-plugin', options, doAjaxSubmit).bind('click.form-plugin', options, captureSubmittingElement)
    };
    function doAjaxSubmit(e) {
        var options = e.data;
        if (!e.isDefaultPrevented()) {
            e.preventDefault();
            $(this).ajaxSubmit(options)
        }
    };
    function captureSubmittingElement(e) {
        var target = e.target;
        var $el = $(target);
        if (!($el.is(":submit,input:image"))) {
            var t = $el.closest(':submit');
            if (t.length == 0) {
                return
            };
            target = t[0]
        };
        var form = this;
        form.clk = target;
        if (target.type == 'image') {
            if (e.offsetX != undefined) {
                form.clk_x = e.offsetX;
                form.clk_y = e.offsetY
            } else if ( typeof $.fn.offset == 'function') {
                var offset = $el.offset();
                form.clk_x = e.pageX - offset.left;
                form.clk_y = e.pageY - offset.top
            } else {
                form.clk_x = e.pageX - target.offsetLeft;
                form.clk_y = e.pageY - target.offsetTop
            }
        };
        setTimeout(function() {
            form.clk = form.clk_x = form.clk_y = null
        }, 100)
    };
    $.fn.ajaxFormUnbind = function() {
        return this.unbind('submit.form-plugin click.form-plugin')
    };
    $.fn.formToArray = function(semantic) {
        var a = [];
        if (this.length === 0) {
            return a
        };
        var form = this[0];
        var els = semantic ? form.getElementsByTagName('*') : form.elements;
        if (!els) {
            return a
        };
        var i, j, n, v, el, max, jmax;
        for ( i = 0, max = els.length; i < max; i++) {
            el = els[i];
            n = el.name;
            if (!n) {
                continue
            };
            if (semantic && form.clk && el.type == "image") {
                if (!el.disabled && form.clk == el) {
                    a.push({
                        name : n,
                        value : $(el).val(),
                        type : el.type
                    });
                    a.push({
                        name : n + '.x',
                        value : form.clk_x
                    }, {
                        name : n + '.y',
                        value : form.clk_y
                    })
                };
                continue
            };
            v = $.fieldValue(el, true);
            if (v && v.constructor == Array) {
                for ( j = 0, jmax = v.length; j < jmax; j++) {
                    a.push({
                        name : n,
                        value : v[j]
                    })
                }
            } else if (v !== null && typeof v != 'undefined') {
                a.push({
                    name : n,
                    value : v,
                    type : el.type
                })
            }
        };
        if (!semantic && form.clk) {
            var $input = $(form.clk), input = $input[0];
            n = input.name;
            if (n && !input.disabled && input.type == 'image') {
                a.push({
                    name : n,
                    value : $input.val()
                });
                a.push({
                    name : n + '.x',
                    value : form.clk_x
                }, {
                    name : n + '.y',
                    value : form.clk_y
                })
            }
        };
        return a
    };
    $.fn.formSerialize = function(semantic) {
        return $.param(this.formToArray(semantic))
    };
    $.fn.fieldSerialize = function(successful) {
        var a = [];
        this.each(function() {
            var n = this.name;
            if (!n) {
                return
            };
            var v = $.fieldValue(this, successful);
            if (v && v.constructor == Array) {
                for (var i = 0, max = v.length; i < max; i++) {
                    a.push({
                        name : n,
                        value : v[i]
                    })
                }
            } else if (v !== null && typeof v != 'undefined') {
                a.push({
                    name : this.name,
                    value : v
                })
            }
        });
        return $.param(a)
    };
    $.fn.fieldValue = function(successful) {
        for (var val = [], i = 0, max = this.length; i < max; i++) {
            var el = this[i];
            var v = $.fieldValue(el, successful);
            if (v === null || typeof v == 'undefined' || (v.constructor == Array && !v.length)) {
                continue
            };
            v.constructor == Array ? $.merge(val, v) : val.push(v)
        };
        return val
    };
    $.fieldValue = function(el, successful) {
        var n = el.name, t = el.type, tag = el.tagName.toLowerCase();
        if (successful === undefined) {
            successful = true
        };
        if (successful && (!n || el.disabled || t == 'reset' || t == 'button' || (t == 'checkbox' || t == 'radio') && !el.checked || (t == 'submit' || t == 'image') && el.form && el.form.clk != el || tag == 'select' && el.selectedIndex == -1)) {
            return null
        };
        if (tag == 'select') {
            var index = el.selectedIndex;
            if (index < 0) {
                return null
            };
            var a = [], ops = el.options;
            var one = (t == 'select-one');
            var max = ( one ? index + 1 : ops.length);
            for (var i = ( one ? index : 0); i < max; i++) {
                var op = ops[i];
                if (op.selected) {
                    var v = op.value;
                    if (!v) {
                        v = (op.attributes && op.attributes['value'] && !(op.attributes['value'].specified)) ? op.text : op.value
                    };
                    if (one) {
                        return v
                    };
                    a.push(v)
                }
            };
            return a
        };
        return $(el).val()
    };
    $.fn.clearForm = function(includeHidden) {
        return this.each(function() {
            $('input,select,textarea', this).clearFields(includeHidden)
        })
    };
    $.fn.clearFields = $.fn.clearInputs = function(includeHidden) {
        var re = /^(?:color|date|datetime|email|month|number|password|range|search|tel|text|time|url|week)$/i;
        return this.each(function() {
            var t = this.type, tag = this.tagName.toLowerCase();
            if (re.test(t) || tag == 'textarea' || (includeHidden && /hidden/.test(t))) {
                this.value = ''
            } else if (t == 'checkbox' || t == 'radio') {
                this.checked = false
            } else if (tag == 'select') {
                this.selectedIndex = -1
            }
        })
    };
    $.fn.resetForm = function() {
        return this.each(function() {
            if ( typeof this.reset == 'function' || ( typeof this.reset == 'object' && !this.reset.nodeType)) {
                this.reset()
            }
        })
    };
    $.fn.enable = function(b) {
        if (b === undefined) {
            b = true
        };
        return this.each(function() {
            this.disabled = !b
        })
    };
    $.fn.selected = function(select) {
        if (select === undefined) {
            select = true
        };
        return this.each(function() {
            var t = this.type;
            if (t == 'checkbox' || t == 'radio') {
                this.checked = select
            } else if (this.tagName.toLowerCase() == 'option') {
                var $sel = $(this).parent('select');
                if (select && $sel[0] && $sel[0].type == 'select-one') {
                    $sel.find('option').selected(false)
                };
                this.selected = select
            }
        })
    };
    $.fn.ajaxSubmit.debug = false;
    function log() {
        if (!$.fn.ajaxSubmit.debug)
            return;
        var msg = '[jquery.form] ' + Array.prototype.join.call(arguments, '');
        if (window.console && window.console.log) {
            window.console.log(msg)
        } else if (window.opera && window.opera.postError) {
            window.opera.postError(msg)
        }
    }

})(jQuery); 